we have live pictures. expected to touch down in about an hour. nasa saying the weather looks great and everything is a go. "discovery's" first mission was back in 1984. now to that canine miracle out of tacoma, washington. tiffany and her dog sugar were at a training class when sugar had a seizure. the trainer sprang into action, started giving cpr without any formal training and eventually sugar started breathing again. >> i was absolutely certain that i was losing my dog. >> it may not have been the correct way to do it and the way maybe they teach. but the outcome is what -- >> it is the outcome and it worked. the veterinarian said sugar is fine but likely has a heart condition and needs to take it easy but good ending to that. we all want to believe our kids or our kids are the future michael jordan's or peyton mannings of the world. what if i told you there's a test that can determine that issue while they're still young in?